Fan for separators



y 3 L. E. WRIGHT Er AL 2,157,469

FAN FOR SEPARATOBS Filed March 11, 1936 Inventor:

A llomey arenred May 9, 1939 2,157,469

UNITED STATES i ATENT OFFICE FAN FOR SEPARATORS Lloyd E. Wright and Robert I. Wright, Albany, Oreg.

Application March 11, 1936, Serial No. 68,326

1 Claim. (01. 230114) The present invention relates to new and usecollar 52 is splined on the shaft 44 and radiating ful improvements in fan mechanism for use in therefrom are slotted spider arms 53 in which the an air separator for cleaning seed. outer end portions of the rods 5| are slidably An important object of the invention is to secured. A hand lever 54 is provided for shifting 5 provide a battery or series of blowers or fans, tothe collar 52 in a manner to adjust the blades 48 gether with novel means for driving all of said as desired.

fans by a single shaft and means for regulating Briefly, the operation of the apparatus is as said fans to control the velocity or force of the follows: air or wind therefrom. Under operation of the hand lever 54 in oppo- Other objects of the invention are to provide site directions, respectively, the rods 5| are cor- 1o apparatus of the aforementioned character which respondingly moved endwise to swing the crank will be comparatively simple in construction, shafts 49 and adjust the blades 48 into different strong, durable, highly efiicient and reliable in set positions to feather the same, the sliding conuse, compact, and which may be manufactured, nection of the rods 5! in the arms 53 providing installed and operated at low cost. for compensating movement of the rods 5| radi- All of the foregoing and still further objects ally of the shaft 44 under swinging of the lever and advantages of the invention will become aparms 490 on the legs of the spider 41. parent from a study of the following specification, It is believed that the many advantages of a taken in connection with the accompanying drawseed cleaning apparatus and method in according wherein like characters of reference designate ance with the present invention will be readily 20 corresponding parts throughout the several views, understood, and although a preferred embodiand wherein: ment is as illustrated and described, it is to be Figure 1 is a View in front elevation of the fans. understood that changes may be resorted to which or blowers of our invention. will fall within the scope of the invention as Figure 2 is a View in end elevationof one of the m i 25 adj s ab e a What is claimed is:

Figure 3 is t View in side elevation of For use in an air separator, a fan mechanism. the fan blade adlusting memberincluding a rotary shaft, a pair of spiders fixed Figure 4 is a fragment/aw in Perspective on the shaft in laterally spaced relation, each of sbowmg t means for adJustmgthe b b e said spiders comprising a plurality of radial arms, 30

Refernng now to the etrowmg m e W a plurality of fan blades mounted on said spiders be Seen that e embodiment otthe lnventlon in ciroumferentially spaced relation to the shaft Whlch has been blustmted compblses Shaft 44 and adjustable about axes parallel with that of Whlob may be drlven t any sulta'ble Source of the shaft, means to simultaneously adjust said power t shwm- FIXed I the Shaft 44 are blades during rotation of the shaft and into dif- 35 slootoed sbld-ers 47 of the radlal arm type- Jour ferent set positions including a spider-like memnaled between the pairs of spiders 41 are featherher shiftable along the shaft, a plurality of rods mg blades Said blades being grouped around fixed to said member to extend laterally theresaid shaft in circumferentially spaced parallel from intermediate the blades, respectively, and 40 relation thereto and adjustable about axes slidably connected to one spider of said pair, op- 40 anel With the axis of the Cronl? Shafts erating connections between said rods and blades 49 are J'oulneled on the legs of the Splders 41 so constructed and arranged that endwise moveand Said crank Shafts are connected at one end, ment of the rods adjusts the blades, the connect0 the blades 48 by links The other ends tions between each blade and its corresponding 45 of the crank shafts 49 are connected to operating part comprising a substantially U shaped lever 45 rods extend. parallel the Shaft on isting of a base member along and j u and are mounted as presently described for endnamed on one of the Spider arms which support wise movement. Each crank shaft 49 has the the fan blade, and t lever arms extending form of a substantially U-shaped lever including stantiahy at right angles from t ends f the a b member lying along and journaled on base member, means connecting one of said lever 50 O e leg of the related Spider 47 and a P of arms to said rod, and a link connecting the other level arms 49b, 49c extending at right angles lever arm to said fan blade, and means for shiftfrO pp ends of Said base member- The ing the spider-like member including a lever operlinks 5!! connect the lever arms 4% to the blades atively connected t th same, 48 and the rods 5i are pivotally connected, as at LLOYD E, WRI HT, 55

49d, to the other lever arms 490. A grooved ROBERT I, I HT. 

